package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.UnLikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import com.mongodb.client.result.DeleteResult;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * author by itheima
 *
 * @Date 2022/3/9
 * Description
 */
@Service
public class ApUnlikeBehaviorServiceImpl implements ApUnlikeBehaviorService {
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Override
    public ResponseResult unlikeBehavior(UnLikesBehaviorDTO dto) {
        //  1. 校验参数 文章id不能为空  需要登录 不喜欢类型取值为 0 或 1
        if (dto.getArticleId()==null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"文章Id不能为空");
        }
        ApUser user = AppThreadLocalUtils.getUser();
        if(user==null){
            CustException.cust(AppHttpCodeEnum.DATA_NOT_ALLOW,"操作请先登录");
        }
        // 2. 查询行为实体数据
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        //  3. 如果是 不喜欢操作 查询不喜欢行为是否存在
        Query query = Query.query(Criteria.where("articleId").is(dto.getArticleId()).and("entryId").is(apBehaviorEntry.getId()));
        //  4. 如果不存在   添加不喜欢行为
        if (dto.getType().equals(ApUnlikesBehavior.Type.UNLIKE.getCode())){
            ApUnlikesBehavior apUnlikes = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
            if (apUnlikes==null){
                ApUnlikesBehavior apUnlikesBehavior = new ApUnlikesBehavior();
                apUnlikesBehavior.setEntryId(apBehaviorEntry.getId());
                apUnlikesBehavior.setArticleId(dto.getArticleId());
                apUnlikesBehavior.setType(dto.getType());
                apUnlikesBehavior.setCreatedTime(new Date());
                mongoTemplate.save(apUnlikesBehavior);
            }else {
                CustException.cust(AppHttpCodeEnum.DATA_EXIST,"不能重复点不喜欢");
            }
        }else {
            mongoTemplate.remove(query,ApUnlikesBehavior.class);
        }
        return ResponseResult.okResult();
    }
}
